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Product Detailed Parameters
- Description：IC GATE NAND 4CH 2-INP 14-SO
- Series：*
- Mfr：Texas Instruments
- Package：Bulk
- Logic Type：-
- Number of Circuits：-
- Number of Inputs：-
- Features：-
- Voltage - Supply：-
- Current - Quiescent (Max)：-
- Current - Output High, Low：-
- Input Logic Level - Low：-
- Input Logic Level - High：-
- Max Propagation Delay @ V, Max CL：-
- Operating Temperature：-
- Mounting Type：-
- Supplier Device Package：-
- Package / Case：-
- Grade：-
- Qualification：-
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Overview
The SN74ALS37ANS is a quad 2-input positive-NAND buffer manufactured by Texas Instruments. It belongs to the ALS logic family and operates within a supply voltage range of 4.5 V to 5.5 V. The device features four independent NAND gates, each with two inputs. It utilizes a 14-pin DIP package for through-hole mounting. The component supports an operating temperature range from 0°C to +70°C.
Feature Summary
- Provides four independent 2-input NAND buffering functions
- Operates on standard 5V logic systems
- Designed for high-speed digital signal processing applications
Applications
- Digital signal buffering in computer systems
- Memory interface circuits
- General-purpose logic gating
Procurement Notes
Verify the exact suffix 'N' indicates a PDIP-14 package and 'S' may denote specific tape/reel or tube packaging variations depending on the manufacturer's current coding standards. Confirm RoHS compliance status and check for any recent product change notifications that might affect pinout or electrical characteristics before finalizing procurement.
Selection Notes
Select this component when a quad 2-input NAND function is required in a through-hole DIP package. Ensure the design environment supports the ALS logic family voltage levels and speed requirements. Verify that the 14-pin footprint matches the PCB layout constraints and that the operating temperature range meets the system specifications.
Part Context
This part is part of the SN74ALS series, which offers improved speed-power product compared to earlier LS logic families. The SN74ALS37 specifically provides non-inverting buffering capabilities using NAND gate structures configured for positive logic operation. It is commonly used in legacy and industrial control systems requiring robust digital logic interfaces.
Replacement Considerations
Direct replacements include other SN74ALS37 variants with compatible packages such as SN74ALS37AN. Cross-family alternatives like SN74LS37 may be considered if speed requirements are less stringent, though electrical characteristics will differ.
